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A rod of 1m length and area of cross-sec...

A rod of `1m` length and area of cross-section `1cm^(2)` is connected across two heat reservoirs at temperature `100^(@)C` and `0^(@)C` as shown. The heat flow per second through the rod in steady state will be [Thermal conductivity of material of rod `=0.09kilocalm^(-1)s^(-1)('^(@)C)`]

A

`9xx10^(-4)kilocal//sec`

B

`9kilocal//sec`

C

`0.09 kilocal//sec`

D

`9xx10^(-6)kilocal//sec`

Text Solution

Verified by Experts

`i=(kADeltaT)/(l)=(0.09xx1xx10^(-4)xx100)/(1)`
`i=9xx10^(-4)kcal//sec`
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